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Maintenance technician reported that an engine fire warning loop was improperly installed; causing a safety hazard.
| Attributes | |
| ACN | 1687754 |
| Time | |
| Date | 201909 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | DFW.Airport |
| State Reference | TX |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
[We] were working on the lh (left hand) engine on aircraft X troubleshooting the left engine fire loop 2 issue. We found that the lh engine fire loop wiring for loop 1 fire loop from the pylon connector to the loop 2; connected to the wrong fire loop. Loop 1 wiring was/is connected to fire loop system number 2; wiring for loop 2 system for the fire loop from the pylon connector to the number 2 loop is connected to the wrong fire loop. Loop 2 wiring is connected to fire loops system number 1.
Original NASA ASRS Text
Title: Maintenance technician reported that an engine fire warning loop was improperly installed; causing a safety hazard.
Narrative: [We] were working on the LH (Left Hand) engine on Aircraft X troubleshooting the Left Engine Fire loop 2 issue. We found that the LH Engine Fire loop wiring for Loop 1 fire loop from the pylon connector to the loop 2; connected to the wrong fire loop. Loop 1 wiring was/is connected to Fire loop system Number 2; wiring for loop 2 system for the fire loop from the pylon connector to the Number 2 loop is connected to the wrong fire loop. Loop 2 wiring is connected to fire loops system Number 1.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.